1. The first official state flag of Wisconsin was adopted on July 3, 1861. The flag features the state coat of arms on a blue background and is still in use today.

2. The deadliest fire in Wisconsin history occurred on July 3, 1894, in the town of Hinckley. The fire started in Minnesota and quickly spread to Wisconsin, killing over 400 people and destroying several towns.

3. On July 3, 1933, the Wisconsin state legislature passed the first-ever comprehensive state income tax law, which was intended to help balance the state budget during the Great Depression.

4. Music legend Elvis Presley performed at the Milwaukee Arena on July 3, 1974, during his final tour before his death three years later.

5. The Milwaukee Brewers played their first-ever game at Miller Park on July 3, 2001, after spending over 30 years playing at County Stadium. The Brewers won the game against the Cincinnati Reds, 5-4.